21195744

素因数分解:

$2^5\times 3^1\times {\mathrm{220789}}^1$

素因数の和:220802

約数の個数: 24

約数和(自身を含む): 55639080

約数和(自身を除く): 34443336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 220789, 441578, 662367, 883156, 1324734, 1766312, 2649468, 3532624, 5298936, 7065248, 10597872, 21195744]

約数ペア:

[(1, 21195744), (2, 10597872), (3, 7065248), (4, 5298936), (6, 3532624), (8, 2649468), (12, 1766312), (16, 1324734), (24, 883156), (32, 662367), (48, 441578), (96, 220789)]